Home / 2,286.09-3,154.95-1,401.77

Finding the Fourth Proportional to 2,286.09, 3,154.95 and 1,401.77

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Solution

The fourth proportional to 2,286.09, 3,154.95 and 1,401.77 is: 1,934.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.09 : 3,154.95 = 1,401.77 : x
  2. Step 2: Convert to fraction form
    2,286.09/3,154.95 = 1,401.77/x
  3. Step 3: Cross multiply
    2,286.09x = 3,154.95 × 1,401.77
  4. Step 4: Simplify right side
    2,286.09x = 4,422,522.15
  5. Step 5: Solve for x
    x = 4,422,522.15/2,286.09
  6. Step 6: Final answer
    x = 1,934.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.